Home / 2,557,023.58-3,530,019.09-1,867,921.75

Finding the Fourth Proportional to 2,557,023.58, 3,530,019.09 and 1,867,921.75

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Solution

The fourth proportional to 2,557,023.58, 3,530,019.09 and 1,867,921.75 is: 2,578,701.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557,023.58 : 3,530,019.09 = 1,867,921.75 : x
  2. Step 2: Convert to fraction form
    2,557,023.58/3,530,019.09 = 1,867,921.75/x
  3. Step 3: Cross multiply
    2,557,023.58x = 3,530,019.09 × 1,867,921.75
  4. Step 4: Simplify right side
    2,557,023.58x = 6,593,799,436,126.21
  5. Step 5: Solve for x
    x = 6,593,799,436,126.21/2,557,023.58
  6. Step 6: Final answer
    x = 2,578,701.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.